Some Large, Multicellular, Aquatic Animals Have No Circulatory System

question 58

Multiple Choice

Some large, multicellular, aquatic animals have no circulatory system. They manage gas exchange

• A) by bringing the external environment (with its supply of oxygen) inside their body.
• B) by means of endosymbiotic bacteria that produce oxygen inside their tissues.
• C) solely by diffusion from outside their bodies.
• D) by basking at the surface periodically to allow for diffusion of oxygen.
• E) None of the above

Recognize the implications of linkage and independent assortment in genetic inheritance.

Understand the principles of probability as applied to genetic outcomes and predictions.

Appreciate the impact of environmental factors on phenotype.

Identify the process of segregation and the concept of meiotic drive genes.

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